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Finding the Fourth Proportional to 341,496.40, 512,244.60 and 307,670.80

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Solution

The fourth proportional to 341,496.40, 512,244.60 and 307,670.80 is: 461,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,496.40 : 512,244.60 = 307,670.80 : x
  2. Step 2: Convert to fraction form
    341,496.40/512,244.60 = 307,670.80/x
  3. Step 3: Cross multiply
    341,496.40x = 512,244.60 × 307,670.80
  4. Step 4: Simplify right side
    341,496.40x = 157,602,705,877.68
  5. Step 5: Solve for x
    x = 157,602,705,877.68/341,496.40
  6. Step 6: Final answer
    x = 461,506.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.